Home / 16,621.70-22,891.29-16,258.82

Finding the Fourth Proportional to 16,621.70, 22,891.29 and 16,258.82

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Solution

The fourth proportional to 16,621.70, 22,891.29 and 16,258.82 is: 22,391.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,621.70 : 22,891.29 = 16,258.82 : x
  2. Step 2: Convert to fraction form
    16,621.70/22,891.29 = 16,258.82/x
  3. Step 3: Cross multiply
    16,621.70x = 22,891.29 × 16,258.82
  4. Step 4: Simplify right side
    16,621.70x = 372,185,363.68
  5. Step 5: Solve for x
    x = 372,185,363.68/16,621.70
  6. Step 6: Final answer
    x = 22,391.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.